| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > limsupequzmptf | Structured version Visualization version GIF version | ||
| Description: Two functions that are eventually equal to one another have the same superior limit. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| limsupequzmptf.j | ⊢ Ⅎ𝑗𝜑 |
| limsupequzmptf.o | ⊢ Ⅎ𝑗𝐴 |
| limsupequzmptf.p | ⊢ Ⅎ𝑗𝐵 |
| limsupequzmptf.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| limsupequzmptf.n | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| limsupequzmptf.a | ⊢ 𝐴 = (ℤ≥‘𝑀) |
| limsupequzmptf.b | ⊢ 𝐵 = (ℤ≥‘𝑁) |
| limsupequzmptf.c | ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) |
| limsupequzmptf.d | ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| limsupequzmptf | ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1948 | . . 3 ⊢ Ⅎ𝑘𝜑 | |
| 2 | limsupequzmptf.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | limsupequzmptf.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
| 4 | limsupequzmptf.a | . . 3 ⊢ 𝐴 = (ℤ≥‘𝑀) | |
| 5 | limsupequzmptf.b | . . 3 ⊢ 𝐵 = (ℤ≥‘𝑁) | |
| 6 | limsupequzmptf.j | . . . . . 6 ⊢ Ⅎ𝑗𝜑 | |
| 7 | limsupequzmptf.o | . . . . . . 7 ⊢ Ⅎ𝑗𝐴 | |
| 8 | 7 | nfcri 2918 | . . . . . 6 ⊢ Ⅎ𝑗 𝑘 ∈ 𝐴 |
| 9 | 6, 8 | nfan 1933 | . . . . 5 ⊢ Ⅎ𝑗(𝜑 ∧ 𝑘 ∈ 𝐴) |
| 10 | nfcsb1v 3875 | . . . . . 6 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 | |
| 11 | nfcv 2926 | . . . . . 6 ⊢ Ⅎ𝑗𝑉 | |
| 12 | 10, 11 | nfel 2940 | . . . . 5 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉 |
| 13 | 9, 12 | nfim 1930 | . . . 4 ⊢ Ⅎ𝑗((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉) |
| 14 | eleq1w 2847 | . . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗 ∈ 𝐴 ↔ 𝑘 ∈ 𝐴)) | |
| 15 | 14 | anbi2d 642 | . . . . 5 ⊢ (𝑗 = 𝑘 → ((𝜑 ∧ 𝑗 ∈ 𝐴) ↔ (𝜑 ∧ 𝑘 ∈ 𝐴))) |
| 16 | csbeq1a 3865 | . . . . . 6 ⊢ (𝑗 = 𝑘 → 𝐶 = ⦋𝑘 / 𝑗⦌𝐶) | |
| 17 | 16 | eleq1d 2849 | . . . . 5 ⊢ (𝑗 = 𝑘 → (𝐶 ∈ 𝑉 ↔ ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉)) |
| 18 | 15, 17 | imbi12d 347 | . . . 4 ⊢ (𝑗 = 𝑘 → (((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) ↔ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉))) |
| 19 | limsupequzmptf.c | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐴) → 𝐶 ∈ 𝑉) | |
| 20 | 13, 18, 19 | chvarfv 2279 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑉) |
| 21 | limsupequzmptf.p | . . . . . . 7 ⊢ Ⅎ𝑗𝐵 | |
| 22 | 21 | nfcri 2918 | . . . . . 6 ⊢ Ⅎ𝑗 𝑘 ∈ 𝐵 |
| 23 | 6, 22 | nfan 1933 | . . . . 5 ⊢ Ⅎ𝑗(𝜑 ∧ 𝑘 ∈ 𝐵) |
| 24 | nfcv 2926 | . . . . . 6 ⊢ Ⅎ𝑗𝑊 | |
| 25 | 10, 24 | nfel 2940 | . . . . 5 ⊢ Ⅎ𝑗⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊 |
| 26 | 23, 25 | nfim 1930 | . . . 4 ⊢ Ⅎ𝑗((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊) |
| 27 | eleq1w 2847 | . . . . . 6 ⊢ (𝑗 = 𝑘 → (𝑗 ∈ 𝐵 ↔ 𝑘 ∈ 𝐵)) | |
| 28 | 27 | anbi2d 642 | . . . . 5 ⊢ (𝑗 = 𝑘 → ((𝜑 ∧ 𝑗 ∈ 𝐵) ↔ (𝜑 ∧ 𝑘 ∈ 𝐵))) |
| 29 | 16 | eleq1d 2849 | . . . . 5 ⊢ (𝑗 = 𝑘 → (𝐶 ∈ 𝑊 ↔ ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊)) |
| 30 | 28, 29 | imbi12d 347 | . . . 4 ⊢ (𝑗 = 𝑘 → (((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) ↔ ((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊))) |
| 31 | limsupequzmptf.d | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝐵) → 𝐶 ∈ 𝑊) | |
| 32 | 26, 30, 31 | chvarfv 2279 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐵) → ⦋𝑘 / 𝑗⦌𝐶 ∈ 𝑊) |
| 33 | 1, 2, 3, 4, 5, 20, 32 | limsupequzmpt 46881 | . 2 ⊢ (𝜑 → (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 34 | nfcv 2926 | . . . . 5 ⊢ Ⅎ𝑘𝐴 | |
| 35 | nfcv 2926 | . . . . 5 ⊢ Ⅎ𝑘𝐶 | |
| 36 | 7, 34, 35, 10, 16 | cbvmptf 5208 | . . . 4 ⊢ (𝑗 ∈ 𝐴 ↦ 𝐶) = (𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶) |
| 37 | 36 | fveq2i 6899 | . . 3 ⊢ (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶)) |
| 38 | 37 | a1i 11 | . 2 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐴 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 39 | nfcv 2926 | . . . . 5 ⊢ Ⅎ𝑘𝐵 | |
| 40 | 21, 39, 35, 10, 16 | cbvmptf 5208 | . . . 4 ⊢ (𝑗 ∈ 𝐵 ↦ 𝐶) = (𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶) |
| 41 | 40 | fveq2i 6899 | . . 3 ⊢ (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶)) |
| 42 | 41 | a1i 11 | . 2 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶)) = (lim sup‘(𝑘 ∈ 𝐵 ↦ ⦋𝑘 / 𝑗⦌𝐶))) |
| 43 | 33, 38, 42 | 3eqtr4d 2808 | 1 ⊢ (𝜑 → (lim sup‘(𝑗 ∈ 𝐴 ↦ 𝐶)) = (lim sup‘(𝑗 ∈ 𝐵 ↦ 𝐶))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 Ⅎwnf 1815 ∈ wcel 2146 Ⅎwnfc 2911 ⦋csb 3851 ↦ cmpt 5189 ‘cfv 6547 ℤcz 12706 ℤ≥cuz 12978 lim supclsp 15652 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 ax-pre-sup 11291 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7888 df-1st 8011 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-1o 8490 df-2o 8491 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-fin 8991 df-sup 9447 df-inf 9448 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-div 11987 df-nn 12349 df-n0 12620 df-z 12707 df-uz 12979 df-q 13089 df-ico 13495 df-limsup 15653 |
| This theorem is used by: (None) |
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